Bimota YB6 Tuatara

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Bimota YB6 Tuatara
Production 1990
Class Sport Bike
liquid-cooled, four-stroke, transverse four cylinder, DOHC, 5 valves per cylinder
Bore / Stroke 76.2mm x 76.2mm
Compression ratio 12.0:1
Horsepower 144.96 HP (108.1 KW) @ 10500RPM
Torque 69.33 ft/lbs (94.0 Nm) @ 9000RPM
Transmission Gear box: 5-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: 42mm Marzocchi telescopic fork
Rear: Marzocchi adjustable mono-shock
Brakes Front: dual 320mm discs, 4-piston calipers
Rear: single 230mm disc, 2-piston caliper
Front Tire 120/70 ZR17
Rear Tire 180/55 ZR17
Weight 185.0 kg (wet)
Manuals Service Manual

The Bimota YB6 Tuatara was a liquid-cooled, four-stroke, transverse four cylinder, DOHC, 5 valves per cylinder Sport Bike motorcycle produced by Bimota in 1990. Max torque was 69.33 ft/lbs (94.0 Nm) @ 9000 RPM. Claimed horsepower was 144.96 HP (108.1 KW) @ 10500 RPM.

Engine[edit | edit source]

A 76.2mm bore x 76.2mm stroke result in a displacement of just 1002.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 5-speed, manual transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit | edit source]

It came with a 120/70 ZR17 front tire and a 180/55 ZR17 rear tire. Stopping was achieved via dual 320mm discs, 4-piston calipers in the front and a single 230mm disc, 2-piston caliper in the rear. The front suspension was a 42mm Marzocchi telescopic fork while the rear was equipped with a Marzocchi adjustable mono-shock.

1990 Bimota YB6 Tuatara[edit | edit source]

1990 Bimota YB6 Tuatara 1990 Bimota YB6 Tuatara

The 1990 MY Bimota Yb6 EXUP has, at its heart, a liquid-cooled, four-stroke, 1002cc, transverse four cylinder powerplant paired to a five-speed manual transmission, and can reach a maximum power output of 145 horsepower and 94 Nm of torque.

It also boasts standard features such as a 2mm Marzocchi adjustable telescopic fork in the front, a Marzocchi mono-shock as a rear suspension, Brembo brakes with dual front discs and a single disc in the rear, a full-fairing with a windscreen, an analogue instrumentation panel, and a single seat.